I just hit this bug (vagrant + ubuntu saucy + first devstack install on this VM). Removing python-keyring didn't solve the problem. I reinstalled it and set its backend to plaintext files ([as suggested here][1]) and that workaround seems to work.
[1]: https://bugs.launchpad.net/ubuntu/+source/python-keystoneclient/+bug/1242992/comments/6
I just hit this bug (vagrant + ubuntu saucy + first devstack install on this VM). Removing python-keyring didn't solve the problem. I reinstalled it and set its backend to plaintext files ([as suggested here][1]) and that workaround seems to work.
[1]: https:/ /bugs.launchpad .net/ubuntu/ +source/ python- keystoneclient/ +bug/1242992/ comments/ 6